page {
  background: white;
}

.wrap {
  display: flex;
}

.classWrap {
  height: calc(100vh - 100px);
  box-sizing: border-box;
  background: #fff;
}
.bgwh{
  background-color: #fff;
}
.p20tc{
  text-align: center;
  padding: 40rpx 0;
  margin: 0 auto;
  color:#999;
}
.navWrap {
  flex-shrink: 0;
  width: 160rpx;
  height: calc(100vh - 56px);
  line-height: 100rpx;  
  text-align: center;
  font-size: 26rpx;
  font-weight: 600;
  background: #fff;
}

.navItem {
  padding: 10rpx 0;
  background: #F5F5F5;
  color: #333333;
}

.navItem.active {
  position: relative;  
  color: #860020;
  font-size: 30rpx;
  background: #fff;
}

.navItem.active:before {
  content: '';
  position: absolute;
  left: 0;
  top: 40rpx;
  width: 4rpx;
  height: 40rpx;
  background: #860020;
}

.class2 {
  padding: 20rpx;
  margin: 20rpx;
  border-radius: 20rpx;
  background-color: #ffffff;
}
.p20{
  padding: 20rpx 16rpx;
}
.plr20{
  padding: 0 20rpx;
}
.mb10{
  margin-bottom: 20rpx;
}
.class2 .title {
  line-height: 44rpx;
  font-size: 30rpx;
  color: #222222;
  font-weight: bold;
}

.classList{
  display: flex;
  flex-wrap: wrap;
}

.class3 {
  display: flex;
  flex-shrink: 0;
  width: 40%;
  height: auto;
  margin-top: 20rpx;
  margin-right: 20rpx;
  color: #333333;
  float: left;
  flex-direction: column;
  align-items: center;
}

/* .class3:nth-child(3n + 2) {
  margin: 20rpx 20rpx;
} */

.class3 .image {
  width: 240rpx;
  height: 380rpx;
  /* margin-bottom: 10rpx; */
}

.className{
  font-size: 24rpx;
  line-height: 36rpx;
  color:#333333;
  margin-bottom: 10rpx;
}

.pct100{
  width: 100%;
}

.banner{
  display: flex;
  justify-content: center;
  align-items: center;
  width: 80%;
  height: 200rpx;
  margin-left: 10rpx;
  margin-bottom: 40rpx;
}
